Yahoo Groups archive

Casio CZ/ VZ/ FZ - Pro Series

Index last updated: 2026-04-28 22:42 UTC

Message

Re: CZ-1 programming interface

2008-01-28 by jdcx64

...for me the fun thing is real-time programming with immediate sound
response.
The problem with the computer+midi sysex approach is that uploading a
patch to the CZ1 via midi takes almost 1 second.

--- In CZsynth@yahoogroups.com, "Fulfil Objective" <kasploosh@...> wrote:
>
> Joaquim,
> 
> I don't think I've seen a dump of the CZ-1 ROM anywhere in all my
> hunting around the web.
> 
> Your idea for reprogramming the mod wheel is interesting, although it
> sounds a little intimidating to me.
> 
> If programming the envelopes (etc.) is the problem, maybe an easier
> answer would be to use a higher level programming language to make a
> nice application for a computer? It's so easy to interface the CZ-1
> with a computer, and it has a decent set of sysex commands.  You could
> have the whole computer screen to create your sounds, all the settings
> at once, and not even use the little LCD.  I guess that wouldn't be as
> good if what you're looking for is real-time or performance control. 
> But it would be good if all you need is better programming
> capabilities.  And it wouldn't require disassembling, flashing ROMs,
etc.
> 
> 
> --- In CZsynth@yahoogroups.com, "jdcx64" <jdcx64@> wrote:
> >
> > I have both a CZ-1 and a JX-8P+PG800
> > The Roland is well built, it is easy to program and makes interesting
> > sounds, but I like the Casio even better.
> > The thing I don't like about the Casio is the programming interface.
> > The direct key for every setting is a good approach but the page
> > up/down cursor left/right system forces me to keep looking at the LCD
> > screen and spoils my mood. The value up/down keys are also not
> practical.
> > 
> > A small change to the CZ1 firmware could improve this:
> > 
> > - the modulation wheel could be used for parameter input
> > 
> > - the 8 black panel keys could be relabeled and used for direct
> > parameter selection,
> >   no more page up/down cursor left/right value+/- sus/end keys
> >   a first 1-8 key press to select parameters 1a-8a
> >   [a second 1-8 key press to select parameters 1b-8b]
> >   [a third 1-8 key press to select parameters 1c-8c]
> > 
> > example:
> > 
> > Changing DCW1 envelope curves:
> > 1. press the DCW1ENV key
> > 
> > 2. press panel key 1 for rate1; roll the wheel
> > 3. press panel key 1 for level1; roll the wheel
> > [4. press panel key 1 for ***/sus/end1; roll the wheel]
> > 
> > 5. press panel key N for rateN; roll the wheel
> > 6. press panel key N for levelN; roll the wheel
> > [7. press panel key N for ***/sus/endN; roll the wheel]
> > 
> > This would allow me to play with sounds without even looking at the
> > screen.
> > 
> > 
> > I've been an assembly language programmer for many years and this
> > small change to the CZ-1 firmware is within my capabilities.
> > Does anyone know of disassembler/assembler tools for the NEC 87AD
> > series microcontrollers? Is a dump of the CZ1 ROM available?
> > 
> > Best regards,
> > Joaquim Carvalho
> >
>

Attachments

Move to quarantaine

This moves the raw source file on disk only. The archive index is not changed automatically, so you still need to run a manual refresh afterward.